The multiplication or reproduction of cells, resulting in the expansion of a mesenchymal cell population that contributes to the progression of the lung over time. A mesenchymal cell is a cell that normally gives rise to other cells that are organized as three-dimensional masses, rather than sheets.

Number of paths to term:

31

denotes an 'is-a' relationshipdenotes a 'part-of' relationshipdenotes a 'regulates' relationshipdenotes a 'positively-regulates' relationshipdenotes a 'negatively-regulates' relationship